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Table 1 Baseline characteristics

From: The hypoperfusion volume has a strong predictive value for hemorrhagic transformation in acute ischemic stroke patients with anterior circulation occlusion after endovascular thrombectomy

Demographic variables

Patients (n = 115)

Age (y), median (IQR)

67.0 (57.0–74.0)

Female, n (%)

33 (28.6)

Baseline NIHSS, median (IQR)

12.0 (8.0–16.0)

Baseline ASPECTS, median (IQR)

8.0 (7.0–9.0)

Medical history

 

 Hypertension, n (%)

80 (69.5)

 Diabetes, n (%)

31 (26.9)

 Hyperlipidemia, n (%)

27 (23.4%)

 Atrial fibrillation, n (%)

23 (20.0)

Smoking, n (%)

18 (15.6)

Obesity, n (%)

25 (21.7)

Anticoagulant therapy before AIS, n (%)

6 (5.2)

Intravenous alteplase treatment, n (%)

13 (11.3)

Systolic blood pressure (mmHg), median (IQR)

151.5 (140.0–164.0)

Diastolic blood pressure (mmHg), median (IQR)

88.0 (78.7–98.0)

Vascular occlusion site, n (%)

 

 ICA

11 (9.6)

 MCA

83 (72.1)

 ICA + MCA

21 (18.3)

Stroke etiology, n (%)

 

 Atherosclerosis

74 (64.3)

 Cardioembolic

40 (34.8)

 Other

1 (0.9)

Onset to door (min), median (IQR)

717.5 (437.2–973.0)

Onset to recanalization (min), median (IQR)

786.0 (492.0–1113.7)

Number of passes, median (IQR)

1.0 (1.0–2.0)

Laboratory testing

 

 Platelet count, median (IQR)

210.0 (164.0–242.0)

 INR, median (IQR)

0.9 (0.9–1.1)

 APTT, median (IQR)

33.5 (31.3–36.5)

 D-dimer, median (IQR)

0.5 (0.3–1.4)

 ALT, median (IQR)

17.0 (13.0–25.0)

 AST, median (IQR)

20.0 (17.0–24.7)

 HbA1C (%), median (IQR)

6.1 (5.7–6.8)

Infarct core volume (ml), median (IQR)

4.3 (0.6–14.3)

Hypoperfusion volume, median (IQR)

112.8 (75.9–164.4)

sICH

16 (13.9)

ICH

 

 No

60 (52.2)

 HI-1

16 (13.9)

 HI-2

17 (14.8)

 PH-1

15 (13.0)

 PH-2

7 (6.1)

  1. Abbreviations: NIHSS, National Institutes of Health stroke scale; ASPECTS, Alberta Stroke Program Early CT Score; AIS, Acute Ischemic Stroke; ICA, Internal Carotid Artery; MCA, Middle Cerebral Artery; HI, Hemorrhagic Infarction; PH, Parenchymal Hemorrhage; sICH, Symptomatic Intracerebral Hemorrhage; INR, International Standard Ratio; APTT, Activated Partial Thromboplastin Time; ALT, Alanine Transaminase; AST, Aspartate Transaminase; HbA1C, Hemoglobin A1c; IQR, Median and Interquartile Range